UPSC ESE Syllabus 2026, IES Prelims and Mains Syllabus, Exam Pattern
UPSC ESE Syllabus 2026 is outlined here for Prelims and Mains examination. Check out a detailed topic-wise UPSC ESE Syllabus to prepare effectively.
Riya Sharma19 Sept, 2025
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UPSC ESE Syllabus 2026: The Union Public Service Commission will conduct the UPSC ESE Prelims Exam 2026 to appoint IES Officers (Grade A) positions in various departments. Candidates who clear the prelims exam will be called for the main exam and personality test.
In order to prepare effectively for UPSC ESE 2026, candidates must go through the entire syllabus to curate the study plan accordingly. The syllabus features a wide variety of topics across different subjects to assess the candidate's technical knowledge in the concerned domain.
Aspirants gearing up their preparation for the UPSC ESE Exam 2026 must review the comprehensive UPSC ESE Syllabus 2026 to know the subject-wise allocation of marks and key focus areas.
UPSC ESE Syllabus 2026
Candidates aspiring to crack the UPSC ESE Exam 2026 must take a step forward to understand the full syllabus in detail. We have outlined the comprehensive UPSC ESE Syllabus 2026 for the sake of the ease of aspirants. The branch-wise syllabus for the UPSC ESE 2026 is available here for Civil, Electrical, Mechanical, Electronics and Telecommunication Engineering.
The UPSC ESE Exam comprises Prelims, Mains, and Personality Test to identify the most desirable applicants for the prestigious Grade A positions in the Engineering cadre. Candidates must also understand the UPSC ESE Exam Pattern to aid their preparation for securing the highest score. The UPSC ESE Syllabus consists of an array of topics from all the subjects on which the questions will be framed in the actual examination.
UPSC ESE Prelims and Mains Syllabus 2026
Aspirants must have a thorough knowledge of the UPSC ESE Syllabus for Prelims and Mains to optimize their preparation accordingly. The prelims exam consists of two papers (Paper 1 for GS and Engg Aptitude and Paper 2 for Specific Engineering discipline), while the mains exam focuses on assessing the in-depth technical knowledge across CE, ME, EE and E&T.
UPSC ESE Syllabus 2026 Overview
The UPSC ESE Syllabus is a vital resource to prepare effectively for the examination. To grasp a detailed syllabus, candidates must have a thorough knowledge of the syllabus to identify the key topics. Candidates looking for the UPSC ESE Syllabus 2026 must check the key information provided in the table given below:
| UPSC ESE Syllabus 2026 Overview | |
| Conducting Authority | Union Public Service Commission |
| Post Name | IES Officers (Grade A) |
| Category | Engg Exam |
| Selection Process | Prelims | Mains | Interview |
| UPSC ESE Syllabus 2026 PDF | To be released |
| Official Website | www.upsc.gov.in |
UPSC ESE Syllabus 2026
The UPSC ESE Exam involves two stages i.e. Prelims and Mains. The Prelims Exam has two papers i.e. Paper 1 (for 200 marks) and Paper 2 (for 300 marks). The Mains Exam has two papers each carrying 300 Marks. In the Preliminary Exam, the questions will be asked from General Studies and Specific Disciplines while the Mains Exam has questions only from concerned discipline-related subjects. The complete topic-wise UPSC ESE Syllabus 2026 is prescribed in the below section for your reference:
UPSC ESE General Studies and Engineering Aptitude Syllabus
The topics covered under General Studies and Engineering Aptitude section are as follows:- Current Affairs (National and International) related to social, economic, and industrial development
- Engineering Aptitude (Logical reasoning and Analytical Ability)
- Engineering Mathematics & Numerical Analysis
- General Principles of Design, Drawing, Importance of Safety
- Standards and Quality practices in production, construction, maintenance, and services
- Basics of Energy and Environment
- Basics of Project Management
- Basics of Material Science and Engineering
- Information and Communication Technologies (ICT) based tools and their applications
- Ethics and values in the Engineering profession
UPSC ESE Civil Engineering Syllabus
The UPSC ESE Syllabus for Civil Engineering is provided here for both the Prelims and Mains Exam:
| UPSC ESE Civil Engineering Syllabus 2026 | ||
| Sl. No. | Subject | Syllabus |
| Paper 1 Syllabus | ||
| 1. | Building Materials | Stone, Lime, Glass, Plastics, Steel, FRP, Ceramics, Aluminum, Fly Ash, Basic Admixtures, Timber, Bricks and Aggregates: Classification, properties and selection criteria; Cement: Types, Composition, Properties, Uses, Specifications and various Tests; Lime & Cement Mortars and Concrete: Properties and various Tests; Design of Concrete Mixes: Proportioning of aggregates and methods of mix design. |
| 2. | Solid Mechanics | Elastic constants, Stress, plane stress, Strains, plane strain, Mohr’s circle of stress and strain, Elastic theories of failure, Principal Stresses, Bending, Shear and Torsion. |
| 3. | Structural Analysis | Basics of strength of materials, Types of stresses and strains, Bending moments and shear force, concept of bending and shear stresses; Analysis of determinate and indeterminate structures; Trusses, beams, plane frames; Rolling loads, Influence Lines, Unit load method & other methods; Free and Forced vibrations of single degree and multi degree freedom system; Suspended Cables; Concepts and use of Computer Aided Design. |
| 4. | Design of Steel Structures | Principles of Working Stress methods, Design of tension and compression members, Design of beams and beam column connections, built-up sections, Girders, Industrial roofs, Principles of Ultimate load design. |
| 5. | Design of Concrete and Masonry Structures | Limit state design for bending, shear, axial compression and combined forces; Design of beams, Slabs, Lintels, Foundations, Retaining walls, Tanks, Staircases; Principles of pre-stressed concrete design including materials and methods; Earthquake resistant design of structures; Design of Masonry Structure. |
| 6. | Construction Practice, Planning and Management | Construction - Planning, Equipment, Site investigation and Management including Estimation with latest project management tools and network analysis for different Types of works; Analysis of Rates of various types of works; Tendering Process and Contract Management, Quality Control, Productivity, Operation Cost; Land acquisition; Labour safety and welfare. |
| Paper 2 Syllabus | ||
| 7. | Flow of Fluids, Hydraulic Machines and Hydro Power | (a) Fluid Mechanics, Open Channel Flow, Pipe Flow: Fluid properties; Dimensional Analysis and Modeling; Fluid dynamics including flow kinematics and measurements; Flow net; Viscosity, Boundary layer and control, Drag, Lift, Principles in open channel flow, Flow controls. Hydraulic jump; Surges; Pipe networks.
(b) Hydraulic Machines and Hydro Power: Various pumps, Air vessels, Hydraulic turbines – types, classifications & performance parameters; Power house – classification and layout, storage, pondage, control of supply. |
| 8. | Hydrology and Water Resources Engineering | Hydrological cycle, Ground water hydrology, Well hydrology and related data analysis; Streams and their gauging; River morphology; Flood, drought and their management; Capacity of Reservoirs. Water Resources Engineering : Multipurpose uses of Water, River basins and their potential; Irrigation systems, water demand assessment; Resources - storages and their yields; Water logging, canal and drainage design, Gravity dams, falls, weirs, Energy dissipaters, barrage Distribution works, Cross drainage works and head-works and their design; Concepts in canal design, construction & maintenance; River training, measurement and analysis of rainfall. |
| 9. | Environmental Engineering | (a) Water Supply Engineering: Sources, Estimation, quality standards and testing of water and their treatment; Rural, Institutional and industrial water supply; Physical, chemical and biological characteristics and sources of water, Pollutants in water and its effects, Estimation of water demand; Drinking water Standards, Water Treatment Plants, Water distribution networks.
(b) Waste Water Engineering: Planning & design of domestic waste water, sewage collection and disposal; Plumbing Systems. Components and layout of sewerage system; Planning & design of Domestic Wastewater disposal system; Sludge management including treatment, disposal and re-use of treated effluents; Industrial waste waters and Effluent Treatment Plants including institutional and industrial sewage management. (c) Solid Waste Management: Sources & classification of solid wastes along with planning & design of its management system; Disposal system, Beneficial aspects of wastes, and Utilization by Civil Engineers. (d) Air, Noise pollution and Ecology: Concepts & general methodology. |
| 10. | Geo-technical Engineering and Foundation Engineering | (a) Geo-technical Engineering: Soil exploration - planning & methods, Properties of soil, classification, various tests and interrelationships; Permeability & Seepage, Compressibility, consolidation and Shearing resistance, Earth pressure theories and stress distribution in soil; Properties and uses of geo-synthetics.
(b) Foundation Engineering: Types of foundations & selection criteria, bearing capacity, settlement analysis, design and testing of shallow & deep foundations; Slope stability analysis, Earthen embankments, Dams and Earth retaining structures: types, analysis and design, Principles of ground modifications. |
| 11. | Surveying and Geology | (a) Surveying: Classification of surveys, various methodologies, instruments & analysis of measurement of distances, elevation and directions; Field astronomy, Global Positioning System; Map preparation; Photogrammetry; Remote sensing concepts; Survey Layout for culverts, canals, bridges, road/railway alignment and buildings, Setting out of Curves.
(b) Geology: Basic knowledge of Engineering geology & its application in projects |
| 12. | Transportation Engineering | Highways - Planning & construction methodology, Alignment, and geometric design; Traffic Surveys and Controls; Principles of Flexible and Rigid pavement design.
Tunneling - Alignment, methods of construction, disposal of muck, drainage, lighting, and ventilation. Railways Systems - Terminology, Planning, designs, and maintenance practices; track modernization. Harbors - Terminology, layouts, and planning. Airports – Layout, planning & design. |
UPSC ESE Mechanical Engineering Syllabus
The detailed syllabus for the Mechanical Engineering section for the UPSC ESE Exam 2026 is tabulated below:
| UPSC ESE Mechanical Engineering Syllabus | ||
| Sl. No. | Subject | Syllabus |
| Paper 1 Syllabus | ||
| 1. | Fluid Mechanics | Basic Concepts and Properties of Fluids, Manometry, Fluid Statics, Buoyancy, Equations of Motion, Bernoulli’s equation and applications, Viscous flow of incompressible fluids, Laminar and Turbulent flows, Flow through pipes and head losses in pipes. |
| 2. | Thermodynamics and Heat Transfer | Thermodynamic systems and processes; properties of pure substance; Zeroth, First and Second Laws of Thermodynamics; Entropy, Irreversibility and availability; analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, Diesel and Dual Cycles; ideal and real gases; compressibility factor; Gas mixtures. Modes of heat transfer, Steady and unsteady heat conduction, Thermal resistance, Fins, Free and forced convection, Correlations for convective heat transfer, Radiative heat transfer - Radiation heat transfer co-efficient; boiling and condensation, Heat exchanger performance analysis. |
| 3. | IC Engines, Refrigeration and Air Conditioning | SI and CI Engines, Engine Systems and Components, Performance characteristics and testing of IC Engines; Fuels; Emissions and Emission Control. Vapour compression refrigeration, Refrigerants and Working cycles, Compressors, Condensers, Evaporators and Expansion devices, and Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermo-electric, and Vortex tube refrigeration. Psychometric properties and processes, Comfort chart, Comfort and industrial air conditioning, Load calculations and Heat pumps. |
| 4. | Turbo Machinery | Reciprocating and Rotary pumps, Pelton wheel, Kaplan and Francis Turbines, velocity diagrams, Impulse and Reaction principles, Steam and Gas Turbines, Theory of Jet Propulsion – Pulse jet and Ram Jet Engines, Reciprocating and Rotary Compressors – Theory and Applications |
| 5. | Power Plant Engineering | Rankine and Brayton cycles with regeneration and reheat, Fuels and their properties, Flue gas analysis, Boilers, steam turbines, and other power plant components like condensers, air ejectors, electrostatic precipitators and cooling towers – their theory and design, types and applications; |
| 6. | Renewable Sources of Energy | Solar Radiation, Solar Thermal Energy collection - Flat Plate and focusing collectors their materials and performance. Solar Thermal Energy Storage, Applications – heating, cooling, and Power Generation; Solar Photovoltaic Conversion; Harnessing of Wind Energy, Bio-mass and Tidal Energy – Methods and Applications, Working principles of Fuel Cells. |
| Paper 2 Syllabus | ||
| 7. | Engineering Mechanics | Analysis of System of Forces, Friction, Centroid and Centre of Gravity, Dynamics; Stresses and Strains-Compound Stresses and Strains, Bending Moment and Shear Force Diagrams, Theory of Bending Stresses- Slope and deflection-Torsion, Thin and thick Cylinders, Spheres. |
| 8. | Engineering Materials | Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous and Non Ferrous Metals, Non metallic materials, Basics of Nano-materials, Mechanical Properties and Testing, Corrosion prevention and control |
| 9. | Mechanisms and Machines | Types of Kinematics Pair, Mobility, Inversions, Kinematic Analysis, Velocity and Acceleration Analysis of Planar Mechanisms, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers; Vibrations –Free and forced vibration of undamped and damped SDOF systems, Transmissibility Ratio, Vibration Isolation, Critical Speed of Shafts. Gears – Geometry of tooth profiles, Law of gearing, Involute profile, Interference, Helical, Spiral and Worm Gears, Gear Trains- Simple, compound, and Epicyclic; Dynamic Analysis – Slider – crank mechanisms, turning moment computations, balancing of Revolving & Reciprocating masses, Gyroscopes –Effect of Gyroscopic couple on automobiles, ships, and aircrafts, Governors. |
| 10. | Design of Machine Elements | Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as riveted, welded and bolted joints. Shafts, Spur gears, rolling and sliding contact bearings, Brakes and clutches, flywheels. |
| 11. | Manufacturing, Industrial and Maintenance Engineering | Metal casting - Metal forming, Metal Joining, Machining and machine tool operations, Limits, fits and tolerances, Metrology and inspection, computer Integrated manufacturing, FMS, Production planning and Control, Inventory control and operations research - CPM-PERT. Failure concepts and characteristics, Failure analysis, Machine Vibration, Data acquisition, Fault Detection, Vibration Monitoring, Field Balancing of Rotors, Noise Monitoring, Wear and Debris Analysis, Signature Analysis, NDT Techniques in Condition Monitoring. |
| 12. | Mechatronics and Robotics | Microprocessors and Microcontrollers: Architecture, programming, I/O, Computer interfacing, Programmable logic controller. Sensors and actuators, Piezoelectric accelerometer, Hall effect sensor, Optical Encoder, Resolver, Inductosyn, Pneumatic and Hydraulic actuators, stepper motor, Control Systems- Mathematical modeling of Physical systems, control signals, controllability and observability. Robotics, Robot Classification, Robot Specification, notation; Direct and Inverse Kinematics; Homogeneous Coordinates and Arm Equation of four Axis SCARA Robot. |
UPSC ESE Electrical Engineering Syllabus
Candidates can check the UPSC ESE Syllabus for Electrical Engineering for Paper 1 and Paper from the below table:
| UPSC ESE Electrical Engineering Syllabus | ||
| Sl. No. | Subject | Syllabus |
| Paper 1 Syllabus | ||
| 1. | Engineering Mathematics | Matrix theory, Eigen values & Eigen vectors, system of linear equations, Numerical methods for the solution of non-linear algebraic equations and differential equations, integral calculus, partial derivatives, maxima and minima, Line, Surface, and Volume Integrals. Fourier series, linear, non-linear and partial differential equations, initial and boundary value problems, complex variables, Taylor’s and Laurent’s series, residue theorem, probability and statistics fundamentals, Sampling theorem, random variables, Normal and Poisson distributions, correlation and regression analysis. |
| 2. | Engineering Materials | Electrical Engineering Materials, crystal structures and defects, ceramic materials, insulating materials, magnetic materials – basics, properties and applications; ferrities, ferro-magnetic materials and components; basics of solid state physics, conductors; Photo-conductivity; Basics of Nano materials and Superconductors. |
| 3. | Electric Circuits and Fields | Circuit elements, network graph, KCL, KVL, Node and Mesh analysis, ideal current and voltage sources, Thevenin’s, Norton’s, Superposition and Maximum Power Transfer theorems, transient response of DC and AC networks, Sinusoidal steady state analysis, basic filter concepts, two-port networks, three phase circuits, Magnetically coupled circuits, Gauss Theorem, electric field and potential due to point, line, plane and spherical charge distributions, Ampere’s and Biot Savart’s laws; inductance, dielectrics, capacitance; Maxwell’s equations. |
| 4. | Electrical and Electronic Measurements | Principles of measurement, accuracy, precision and standards; Bridges and potentiometers; moving coil, moving iron, dynamometer and induction type instruments, measurement of voltage, current, power, energy and power factor, instrument transformers, digital voltmeters and multi-meters, phase, time and frequency measurement, Q-meters, oscilloscopes, potentiometric recorders, error analysis, Basics of sensors, Transducers, basics of data acquisition systems |
| 5. | Computer Fundamentals | Number systems, Boolean algebra, arithmetic functions, Basic Architecture, Central Processing Unit, I/O and Memory Organisation; peripheral devices, data representation and programming, basics of Operating system and networking, virtual memory, file systems; Elements of programming languages, typical examples. |
| Paper 2 Syllabus | ||
| 6. | Analog and Digital Electronics | Operational amplifiers – characteristics and applications, combinational and sequential logic circuits, multiplexers, multivibrators, sample and hold circuits, A/D and D/A converters, basics of filter circuits and applications, simple active filters; Microprocessor basics- interfaces and applications, basics of linear integrated circuits; Analog communication basics, Modulation and demodulation, noise and bandwidth, transmitters and receivers, signal to noise ratio, digital communication basics, sampling, quantizing, coding, frequency and time domain multiplexing, power line carrier communication systems. |
| 7. | Systems and Signal Processing | Representation of continuous and discrete-time signals, shifting and scaling operations, linear, time-invariant and causal systems, Fourier series representation of continuous periodic signals, sampling theorem, Fourier and Laplace transforms, Z transforms, Discrete Fourier transform, FFT, linear convolution, discrete cosine transform, FIR filter, IIR filter, bilinear transformation. |
| 8. | Control Systems | Principles of feedback, transfer function, block diagrams and signal flow graphs, steady-state errors, transforms and their applications; Routh-hurwitz criterion, Nyquist techniques, Bode plots, root loci, lag, lead and lead-lag compensation, stability analysis, transient and frequency response analysis, state space model, state transition matrix, controllability and observability, linear state variable feedback, PID and industrial controllers. |
| 9. | Electrical Machines | Single phase transformers, three phase transformers - connections, parallel operation, auto-transformer, energy conversion principles, DC machines - types, windings, generator characteristics, armature reaction and commutation, starting and speed control of motors, Induction motors - principles, types, performance characteristics, starting and speed control, Synchronous machines - performance, regulation, parallel operation of generators, motor starting, characteristics and applications, servo and stepper motors. |
| 10. | Power Systems | Basic power generation concepts, steam, gas and water turbines, transmission line models and performance, cable performance, insulation, corona and radio interference, power factor correction, symmetrical components, fault analysis, principles of protection systems, basics of solid state relays and digital protection; Circuit breakers, Radial and ring-main distribution systems, Matrix representation of power systems, load flow analysis, voltage control and economic operation, System stability concepts, Swing curves and equal area criterion. HVDC transmission and FACTS concepts, Concepts of power system dynamics, distributed generation, solar and wind power, smart grid concepts, environmental implications, fundamentals of power economics. |
| 11. | Power Electronics and Drives | Semiconductor power diodes, transistors, thyristors, triacs, GTOs, MOSFETs and IGBTs - static characteristics and principles of operation, triggering circuits, phase control rectifiers, bridge converters - fully controlled and half controlled, principles of choppers and inverters, basis concepts of adjustable speed DC and AC drives, DC-DC switched mode converters, DC-AC switched-mode converters, resonant converters, high-frequency inductors and transformers, power supplies. |
UPSC ESE Electronics & Telecommunication Engineering Syllabus
Candidates must refer to the below table to know the topic-wise UPSC ESE Syllabus for Electronics and Telecommunication Engineering:
| UPSC ESE Electronics & Telecommunication Engineering | ||
| Sl. No. | Subject | Syllabus |
| Paper 1 Syllabus | ||
| 1. | Basic Electronics Engineering | Basics of semiconductors; Diode/Transistor basics and characteristics; Diodes for different uses; Junction & Field Effect Transistors (BJTs, JFETs, MOSFETs); Transistor amplifiers of different types, oscillators and other circuits; Basics of Integrated Circuits (ICs); Bipolar, MOS and CMOS ICs; Basics of linear ICs, operational amplifiers and their applications linear/non-linear; Optical sources/detectors; Basics of Opto- electronics and its applications. |
| 2. | Basic Electrical Engineering | DC circuits-Ohm’s & Kirchoff’s laws, mesh and nodal analysis, circuit theorems; Electro-magnetism, Faraday’s & Lenz’s laws, induced EMF and its uses; Single-phase AC circuits; Transformers, efficiency; Basics-DC machines, induction machines, and synchronous machines; Electrical power sources- basics: hydroelectric, thermal, nuclear, wind, solar; Basics of batteries and their uses. |
| 3. | Material Science | Electrical Engineering materials; Crystal structure & defects; Ceramic materials-structures, composites, processing and uses; Insulating laminates for electronics, structures, properties and uses; Magnetic materials, basics, classification, ferrites, ferro/para-magnetic materials and components; Nano materials-basics, preparation, purification, sintering, nano particles and uses; Nano-optical/magnetic/electronic materials and uses; Superconductivity, uses. |
| 4. | Electronic Measurements and Instrumentation | Principles of measurement, accuracy, precision and standards; Analog and Digital systems for measurement, measuring instruments for different applications; Static/dynamic characteristics of measurement systems, errors, statistical analysis and curve fitting; Measurement systems for non-electrical quantities; Basics of telemetry; Different types of transducers and displays; Data acquisition system basics. |
| 5. | Network Theory | Network graphs & matrices; Wye-Delta transformation; Linear constant coefficient differential equations- time domain analysis of RLC circuits; Solution of network equations using Laplace transforms- frequency domain analysis of RLC circuits; 2-port network parameters-driving point & transfer functions; State equations for networks; Steady state sinusoidal analysis. |
| 6. | Analog and Digital Circuits | Small signal equivalent circuits of diodes, BJTS and FETs; Diode circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, wave shaping, A/D-D/A converters; Boolean Algebra& uses; Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications. |
| Paper 2 Syllabus | ||
| 7. | Analog and Digital Communication Systems | Small signal equivalent circuits of diodes, BJTS and FETs; Diode circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, wave shaping, A/D-D/A converters; Boolean Algebra& uses; Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications. |
| 8. | Control Systems | Small signal equivalent circuits of diodes, BJTS and FETs; Diode circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, wave shaping, A/D-D/A converters; Boolean Algebra& uses; Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications. |
| 9. | Computer Organization and Architecture | Small signal equivalent circuits of diodes, BJTS and FETs; Diode circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, wave shaping, A/D-D/A converters; Boolean Algebra& uses; Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications. |
| 10. | Electro Magnetics | Elements of vector calculus, Maxwell’s equations-basic concepts; Gauss’, Stokes’ theorems; Wave propagation through different media; Transmission Lines-different types, basics, Smith’s chart, impedance matching/transformation, Sparameters, pulse excitation, uses; Waveguides-basics, rectangular types, modes, cut-off frequency, dispersion, dielectric types; Antennas-radiation pattern, monopoles/dipoles, gain, arrays-active/passive, theory, uses. |
| 11. | Advanced Electronics Topics | VLSI technology: Processing, lithography, interconnects, packaging, testing; VLSI design: Principles, MUX/ROM/PLA-based design, Moore & Mealy circuit design; Pipeline concepts & functions; Design for testability, examples; DSP: Discrete time signals/systems, uses; Digital filters: FIR/IIR types, design, speech/audio/radar signal processing uses; Microprocessors & microcontrollers, basics, interrupts, DMA, instruction sets, interfacing; Controllers & uses; Embedded systems. |
| 12. | Advanced Communication Topics | Communication networks: Principles /practices /technologies /uses /OSI model/security; Basic packet multiplexed streams/scheduling; Cellular networks, types, analysis, protocols (TCP/TCPIP); Microwave & satellite communication: Terrestrial/space type LOS systems, block schematics link calculations, system design; Communication satellites, orbits, characteristics, systems, uses; Fibre-optic communication systems, block schematics, link calculations, system design. |
UPSC ESE Syllabus 2026 PDF
The Union Public Service Commission has published the PSC ESE Syllabus 2026 PDF on its official website, containing the topic-wise syllabus for Prelims and Mains Examinations.
Candidates preparing for the UPSC ESE 2026 Exam must go through the syllabus PDF to understand the coverage of the detailed syllabus, which is yet to be released. We have mentioned a direct link to access the UPSC ESE Syllabus 2025 in PDF format in this section, as syllabus usually remains unchanged:
UPSC ESE Exam Pattern 2026
Candidates must review the UPSC ESE Exam Pattern 2026 to get familiar with the exam format. The UPSC ESE Exam consists of three phases, i.e. Prelims, Mains, and Personality Test. Prelims exam comprises Paper I having 200 questions on General Studies & Engineering Aptitude and Paper II will contain 300 marks from specific discipline-related subjects.
The main exam will include Paper I and Paper II, each 300 marks. The questions in the main exam will be asked from the concerned discipline. Those who pass the mains exam will be called for a personality test, which covers a weightage of 200 marks. A comprehensive UPSC ESE Exam Pattern 2026 for Prelims and Mains is outlined below:
| UPSC ESE Exam Pattern 2026 | ||||
| Stages | Name of Stages | No. of Papers | Type of Exam | Total Marks |
| Stage 1 | Prelims | 2 Papers | Objective | 500 |
| Stage 2 | Mains | 2 Papers | Descriptive | 600 |
| Stage 3 | Interview | – | Personality Test | 200 |
| Final Merit List | UPSC ESE Mains + Interview Marks = 1300 Marks | |||
Excel your UPSC ESE 2026 preparation journey with UPSC ESE Online Coaching by PW . The Physics Wallah offers well structured study material, mock tests, e-books, and more.
UPSC ESE Syllabus 2026 FAQs
What is the syllabus for UPSC ESE?
Candidates must refer above to get a detailed UPSC ESE Syllabus 2026 for Prelims and Mains examination.
How to download UPSC ESE Syllabus 2026 PDF?
Candidates can download the UPSC ESE Syllabus 2026 PDF from the direct link provided above.
Is the UPSC ESE Syllabus tough?
The UPSC ESE Syllabus is lengthy and tough as it requires more time to cover completely.
How to cover UPSC ESE Syllabus in 6 months?
To cover the UPSC ESE Syllabus in 6 months, you need to follow the dedicated study plan with the right strategy as suggested by experts.
Is clearing personality test is essential for UPSC ESE?
Yes, candidates are required to clear the personality test with an appropriate score to get final selection for the Grade A position.
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